package rbtree;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Random;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User:咭咭熊
 * Date:2021 - 08 - 29
 * Time:18:12 =
 */
public class Main {
    public static void main(String[] args) {
        List<Long> list = new ArrayList<>();
        Random random = new Random(20210821);

        for (long i = 0; i <= 20; i++) {
            list.add(i);
        }
        Collections.shuffle(list,random);
        System.out.println(list);
    }
}
